Wis. Stat. § 972.07 : —CRIMINAL PROCEDURECRIMINAL TRIALS — Jeopardy TEXT PDF Jeopardy attaches: (1) In a trial to the court without a jury when a witness is sworn; (2) In a jury trial when the selection of the jury has been completed and the jury sworn. Wis. Stat. § 972.07 See also the notes to Article I, section 8, of the Wisconsin Constitution.